Add functions to main module

src/kicad_sexpr.gleam

@@ -1 +1,29 @@
+import gleam/result
+import kicad_sexpr/decode
+import kicad_sexpr/parse
+import kicad_sexpr/token
 
+pub type ParseDecodeError {
+  ParseError(parse.ParseError)
+  DecodeError(decode.DecodeError)
+}
+
+pub fn parse_decode(
+  data: BitArray,
+  decoder: decode.Decoder(a),
+) -> Result(a, ParseDecodeError) {
+  use sexpr <- result.try(parse.run(data) |> result.map_error(ParseError))
+  decode.run(decoder, sexpr) |> result.map_error(DecodeError)
+}
+
+pub fn parse_footprint_file(
+  data: BitArray,
+) -> Result(token.FootprintFile, ParseDecodeError) {
+  parse_decode(data, token.footprint_file(decode.success))
+}
+
+pub fn parse_symbol_library(
+  data: BitArray,
+) -> Result(token.SymbolLibrary, ParseDecodeError) {
+  parse_decode(data, token.symbol_library(decode.success))
+}

src/kicad_sexpr/decode.gleam

@@ -299,11 +299,8 @@ pub fn failure(error: DecodeError) -> Decoder(a) {
   fn(_: List(SExpr)) { Error(error) }
 }
 
-pub fn run(
-  decoder: fn(NextFn(a, a)) -> Decoder(b),
-  on source: SExpr,
-) -> Result(b, DecodeError) {
-  use #(value, rest) <- result.try(decoder(success)([source]))
+pub fn run(decoder: Decoder(a), on source: SExpr) -> Result(a, DecodeError) {
+  use #(value, rest) <- result.try(decoder([source]))
   use <- bool.guard(rest != [], Error(UnexpectedTrailingAttributes(rest)))
   Ok(value)
 }

test/kicad_sexpr_test.gleam

@@ -7,7 +7,7 @@ import gleam/string
 import gleam/time/duration
 import gleam/time/timestamp.{type Timestamp}
 import gleeunit
-import kicad_sexpr/decode.{type Decoder, type NextFn}
+import kicad_sexpr/decode
 import kicad_sexpr/parse
 import kicad_sexpr/token
 import simplifile
@@ -23,7 +23,11 @@ pub fn main() -> Nil {
   // |> list.take(1000)
   // |> list.sample(1000)
   // let footprint_files = ["test_files/test3.kicad_mod"]
-  test_read_parse_decode(footprint_files, token.footprint_file, True)
+  test_read_parse_decode(
+    footprint_files,
+    token.footprint_file(decode.success),
+    True,
+  )
 
   io.println("\nTesting Symbol Libraries")
   let assert Ok(symbol_libraries) =
@@ -35,7 +39,11 @@ pub fn main() -> Nil {
   // |> list.take(20)
   // |> list.sample(20)
   // let symbol_libraries = ["test_files/test3.kicad_mod"]
-  test_read_parse_decode(symbol_libraries, token.symbol_library, True)
+  test_read_parse_decode(
+    symbol_libraries,
+    token.symbol_library(decode.success),
+    True,
+  )
 
   gleeunit.main()
 }
@@ -78,7 +86,7 @@ fn print_stats(
 
 fn test_read_parse_decode(
   file_names: List(String),
-  decoder: fn(NextFn(a, a)) -> Decoder(a),
+  decoder: decode.Decoder(a),
   print_errors: Bool,
 ) -> Nil {
   let num_file_names = list.length(file_names)